Rest-frame stacking of 2XMM catalog sources - Properties of the Fe Kα line

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Volume 537 (January 2012)

A&A, 537 (2012) A6

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Table 2

Results of the “averaged X-ray spectrum” spectral fitting in the 3–10 keV.

Model

Power law/pexrav

Gaussian

Diskline

foldE

R_Dist

cosi

E_Kα

σ_Kα

EW_Kα

E_Disk

R_in

R_out

χ²/d.o.f.

(keV)

(Ω/2π)

(keV)

(eV)

(keV)

(R_g)

(deg)

(eV)

Pow + Narrow + Broad

1.64 ± 0.02

...

6.40^*

0.01^*

28 ± 10

...

6.40^*

92 ± 35

...

20.6/17

Pow + Narrow + Disk

1.64 ± 0.02

...

6.40^*

0.01^*

37 ± 8

6.40^*

6.0^*

100.0^*

−2.5^*

44.4 ± 2.4

128 ± 36

17.4/17

Pow + pexrav + Narrow + Broad

1.67^*

200^*

0.29 ± 0.18

0.9^*

6.40^*

0.01^*

29 ± 10

...

6.40^*

78 ± 40

...

20.2/17

Pow + pexrav + Narrow + Disk

1.67^*

200^*

0.25 ± 0.17

0.9^*

6.40^*

0.01^*

36 ± 8

6.40^*

6.0^*

100.0^*

−2.5^*

114 ± 41

17.4/17

Notes. All errors and upper limits are quoted at the 68% confidence range for a single parameter. In all the spectral fits, the errors in the Fe lines EW are calculated using XSPEC eqw with err option.

^(*)

Denotes fixed parameter.

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